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CVE-2025-49599

Quick assessment

Affected
Huawei EG8141A5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Huaweiu202fEG8141A5等都是中国华为（Huawei）公司的一款路由型光纤接入设备。 Huawei多款产品存在安全漏洞，该漏洞源于Epuser账户可禁用ONT防火墙功能，可能导致默认SSH和TELNET TCP端口阻塞被移除。以下产品及版本受到影响：Huawei EG8141A5 V5R019C00S100及之前版本、EG8145V5 V5R019C00S100及之前版本和EG8145V5-V2 V5R021C00S184及之前版本。

CVSS 4.1 · Medium EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1546.001 · Change Default File Association
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I. Basic Information for CVE-2025-49599

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Huawei EG8141A5 devices through V5R019C00S100, EG8145V5 devices through V5R019C00S100, and EG8145V5-V2 devices through V5R021C00S184 allow the Epuser account to disable ONT firewall functionality, e.g., to remove the default blocking of the SSH and TELNET TCP ports, aka HWNO-56Q3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Huawei多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huaweiu202fEG8141A5等都是中国华为（Huawei）公司的一款路由型光纤接入设备。 Huawei多款产品存在安全漏洞，该漏洞源于Epuser账户可禁用ONT防火墙功能，可能导致默认SSH和TELNET TCP端口阻塞被移除。以下产品及版本受到影响：Huawei EG8141A5 V5R019C00S100及之前版本、EG8145V5 V5R019C00S100及之前版本和EG8145V5-V2 V5R021C00S184及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Huawei EG8141A5 0 ~ V5R019C00S100 -
Huawei EG8145V5 0 ~ V5R019C00S100 -
Huawei EG8145V5-V2 0 ~ V5R021C00S184 -

II. Public POCs for CVE-2025-49599

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III. Intelligence Information for CVE-2025-49599

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Other References for CVE-2025-49599 (1)

Same Patch Batch · Huawei · 2025-06-06 · 12 CVEs total

CVE-2025-48906 8.8 HIGH Huawei HarmonyOS 安全漏洞
CVE-2025-48911 8.2 HIGH Huawei HarmonyOS 安全漏洞
CVE-2025-48905 8.1 HIGH Huawei HarmonyOS 安全漏洞
CVE-2025-48903 7.8 HIGH Huawei HarmonyOS 安全漏洞
CVE-2025-48909 7.1 HIGH Huawei HarmonyOS 安全漏洞
CVE-2025-48908 6.7 MEDIUM Huawei HarmonyOS 安全漏洞
CVE-2025-48902 6.6 MEDIUM Huawei HarmonyOS 安全漏洞
CVE-2025-48907 6.2 MEDIUM Huawei HarmonyOS 5.0.0 安全漏洞
CVE-2025-48910 5.5 MEDIUM Huawei HarmonyOS 安全漏洞
CVE-2025-48904 4.4 MEDIUM Huawei HarmonyOS 安全漏洞
CVE-2024-58114 4.0 MEDIUM Huawei HarmonyOS 安全漏洞

IV. Related Vulnerabilities

Same vendor: Huawei
Same weakness: CWE-863

V. Comments for CVE-2025-49599

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